/****************************************************************************
**
** Copyright (C) 2012 Denis Shienkov <denis.shienkov@gmail.com>
** Copyright (C) 2012 Laszlo Papp <lpapp@kde.org>
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtSerialPort module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
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** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
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** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of The Qt Company Ltd nor the names of its
**     contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
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**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** $QT_END_LICENSE$
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****************************************************************************/

#include "console.h"

#include <QDateTime>
#include <QScrollBar>

#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>

static FILE* log_file = NULL;

static void out_log(const char* msg)
{
    QDateTime current_date_time = QDateTime::currentDateTime();
    QString current_date = current_date_time.toString("yyyyMMdd_hhmmss");
    if (log_file == NULL) {
        char buf[128];
        sprintf(buf, "serial-tty-%s-%d.log\0", current_date.toStdString().data(), getpid());
        log_file = fopen(buf, "w");
    }
    if (log_file == NULL) {
        printf("WARN: log file create error\n");
    } else {
        // fprintf(log_file, "%s-%s\n", current_date.toStdString().data(), msg);
        fprintf(log_file, "%s", msg);
        fflush(log_file);
    }
}

Console::Console(QWidget* parent)
    : QPlainTextEdit(parent)
{
    document()->setMaximumBlockCount(1000);
    QPalette p = palette();
    p.setColor(QPalette::Base, Qt::black);
    p.setColor(QPalette::Text, Qt::green);
    setPalette(p);
}

void Console::putData(const QByteArray& data)
{
    insertPlainText(data);
    out_log(data.data());

    QScrollBar* bar = verticalScrollBar();
    bar->setValue(bar->maximum());
}

void Console::setLocalEchoEnabled(bool set)
{
    m_localEchoEnabled = set;
}

void Console::keyPressEvent(QKeyEvent* e)
{
    switch (e->key()) {
    case Qt::Key_Backspace:
    case Qt::Key_Left:
    case Qt::Key_Right:
    case Qt::Key_Up:
    case Qt::Key_Down:
        break;
    default:
        if (m_localEchoEnabled)
            QPlainTextEdit::keyPressEvent(e);
        emit getData(e->text().toLocal8Bit());
    }
}

void Console::mousePressEvent(QMouseEvent* e)
{
    Q_UNUSED(e)
    setFocus();
}

void Console::mouseDoubleClickEvent(QMouseEvent* e)
{
    Q_UNUSED(e)
}

void Console::contextMenuEvent(QContextMenuEvent* e)
{
    Q_UNUSED(e)
}
